OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring in decode_bit_string in libopensc/asn1.c.
CVE-2019-15945
MEDIUMNVD 6.46.4—
EchelonGraph scoreMEDIUM confidence
This medium-severity CVE scores 6.4 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.4Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- 6.4
- EG Score
- 6.4(medium)
- EPSS
- 35.2%
- KEV
- Not listed
Published
September 5, 2019
Last Modified
November 21, 2024
References (12)
- cve@mitrehttp://www.openwall.com/lists/oss-security/2019/12/29/1
- cve@mitrehttps://github.com/OpenSC/OpenSC/commit/412a6142c27a5973c61ba540e33cdc22d5608e68
- cve@mitrehttps://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/29/1
- af854a3a-2127-422b-91ae-364da2661108https://github.com/OpenSC/OpenSC/commit/412a6142c27a5973c61ba540e33cdc22d5608e68
- af854a3a-2127-422b-91ae-364da2661108https://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Frequently asked(5)
What is CVE-2019-15945?
CVE-2019-15945 is a medium vulnerability published on September 5, 2019. OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Bitstring in decodebitstring in libopensc/asn1.c.
When was CVE-2019-15945 disclosed?
CVE-2019-15945 was first published in the National Vulnerability Database on September 5, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-15945 actively exploited?
CVE-2019-15945 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-15945?
CVE-2019-15945 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2019-15945?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-15945, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-15945
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